Forecasting Methods in Various Applications Using Algorithm of Estimation Regression Models and Converting Data Sets into Markov Model

Table 1

Actual values of water elements at different depths of lake.

Depth (m)	0.13	0.29	0.3	0.31	0.33	0.38	1.34	1.5	2	2.5
Temp1 (°C)	22.1	22.2	22.833	22.6	21.8	22.3	19.9	20.7	20.2	20.7
pH1	8.54	8.51	7.153	8.69	9.09	8.37	8.42	7.92	8.11	8.72
ORP1 (REDOX)	−50.5	49.7	171.7	40.5	8	−7.4	−152.8	−208.5	−141.2	−9.6
DO1 (mg/L)	14.6	10.86	8.94	10.34	11.29	7.73	8.01	3.05	4.43	8.95
EC1uS/cm@25°C	63,017	52,893	31,849.67	65,333	35,218	63,792	64,537	53,450	43,879	58,426
RES1 (Ohms·cm)	16	19	22	16	30	16	17	20	25	18
TDS1 (mg/L)	40,330	33,851	42,860.67	41,813	22,539	40,826	41,303	34,208	28,082	37,392
SAL1 (PSU)	42.52	34.84	22.153	44.29	22.16	43.1	43.7	35.26	28.27	39
SSG1 (st)	30.9	24.9	14.7	32.1	15.1	31.3	32.3	25.5	20.2	28.4
TN1 (mg/L)	50.4	64.4	68.6	49	70	44.8	135.8	60.2	162.4	65.8
COD1 (mg/L)	475	2600	1474.333	125	2550	575	123	2070	1150	1425
Total pH.1 (mg/L)	0.079	0.009	0.19	0.053	0.083	0.233	0.033	0.033	0.009	0.056
cd1	0.039	0.037	0.023	0.037	0.041	0.039	0.032	0.03	0.037	0.037
cu1	0.079	0.074	0.062	0.074	0.083	0.085	0.071	0.068	0.073	0.076
zn1	0.062	0.033	0.033	0.032	0.036	0.041	0.031	0.037	0.04	0.038
pb1	0.012	0.007	0.007	0.006	0.007	0.01	0.006	0.007	0.008	0.008
fe1	0.729	0.487	0.529	0.559	1.038	0.986	0.475	0.342	0.901	0.472